fix(ProviderNav): remove unused provider icons and clean up code

src/components/common/PageTransition.tsx

@@ -1,4 +1,12 @@
-import { ReactNode, useCallback, useLayoutEffect, useRef, useState } from 'react';
+import {
+  ReactNode,
+  createContext,
+  useCallback,
+  useContext,
+  useLayoutEffect,
+  useRef,
+  useState,
+} from 'react';
 import { useLocation, type Location } from 'react-router-dom';
 import gsap from 'gsap';
 import './PageTransition.scss';
@@ -31,6 +39,16 @@ type TransitionDirection = 'forward' | 'backward';
 
 type TransitionVariant = 'vertical' | 'ios';
 
+type PageTransitionLayerContextValue = {
+  status: LayerStatus;
+};
+
+const PageTransitionLayerContext = createContext<PageTransitionLayerContextValue | null>(null);
+
+export function usePageTransitionLayer() {
+  return useContext(PageTransitionLayerContext);
+}
+
 export function PageTransition({
   render,
   getRouteOrder,
@@ -363,7 +381,9 @@ export function PageTransition({
                 : undefined
           }
         >
+          <PageTransitionLayerContext.Provider value={{ status: layer.status }}>
             {render(layer.location)}
+          </PageTransitionLayerContext.Provider>
         </div>
           );
         });

src/components/providers/ProviderNav/ProviderNav.tsx

@@ -1,6 +1,7 @@
 import { CSSProperties, useCallback, useEffect, useLayoutEffect, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
 import { useLocation } from 'react-router-dom';
+import { usePageTransitionLayer } from '@/components/common/PageTransition';
 import { useThemeStore } from '@/stores';
 import iconGemini from '@/assets/icons/gemini.svg';
 import iconOpenaiLight from '@/assets/icons/openai-light.svg';
@@ -34,6 +35,8 @@ type ScrollContainer = HTMLElement | (Window & typeof globalThis);
 
 export function ProviderNav() {
   const location = useLocation();
+  const pageTransitionLayer = usePageTransitionLayer();
+  const isCurrentLayer = pageTransitionLayer ? pageTransitionLayer.status === 'current' : true;
   const resolvedTheme = useThemeStore((state) => state.resolvedTheme);
   const [activeProvider, setActiveProvider] = useState<ProviderId | null>(null);
   const contentScrollerRef = useRef<HTMLElement | null>(null);
@@ -62,7 +65,7 @@ export function ProviderNav() {
     location.pathname.length > 1 && location.pathname.endsWith('/')
       ? location.pathname.slice(0, -1)
       : location.pathname;
-  const shouldShow = normalizedPathname === '/ai-providers';
+  const shouldShow = isCurrentLayer && normalizedPathname === '/ai-providers';
 
   const getHeaderHeight = useCallback(() => {
     const header = document.querySelector('.main-header') as HTMLElement | null;